baber/WOPTO huggingface dataset:
Patent GB-1118227-A (GB)
Title: A display system
IPC: B41M5/28
Filed: 1966-06-14
Abstract: 1,118,227. Light modulators. WESTING- HOUSE ELECTRIC CORP. 14 June, 1966 [29 June, 1965], No. 26479/66. Heading H4F. [Also in Division G1] A display screen comprises a cholesteric phase liquid crystal film which exhibits a change in its optical scattering properties i.e. reflecting properties, in response to temperature changes, thermal images of input radiation to be displayed being impressed on the liquid crystal film by means of a radiation sensitive structure associated with electric current heating means extending over the liquid crystal film in thermal contact therewith, the electric current flow varying from elemental screen area to elemental screen area in accordance with local levels of the input radiation. A visible, infrared or ultra-violet radiation image generated on the face of a cathode ray tube is directed towards the display screen and white or monochromatic light incident on the display screen is selectively scattered in accordance with the temperature of the liquid crystal film and a coloured or monochromatic brightness image is displayed. The display screen, Fig. 2, comprises a support layer 30, a thermal barrier layer 32, a photo-conductive layer 34, comb-like electrodes 36 having conductive strips 38 and 40 respectively connected to bus-bars 42 and 44 supplied by a potential source 50, an optical isolation layer 52 which prevents the viewing light source effecting the photo-conductive layer 34, a cholesteric phase liquid crystal layer 54 and a protective film 56. In operation the amount of illumination from the radiation image directed on to the photo-conductive layer 34 determines the amount of current flowing between the electrode strips 38 and 40 and thus the heating of the photo-conductive layer. Power dissipation from the resulting photo-current is localized to only the illuminated areas by the electrode structure. The resulting temperature rises in the liquid crystal film causes its reflection band to be shifted towards a shorter wavelength part of the spectrum resulting in a coloured image if the viewing light source is white light. In further embodiments the photo-conductive and electrode system are replaced by two conductive bus-bars bridged by photo-conductive strips having conductive elements interspersed therein, Fig. 3, not shown, and by a photo-conductive layer sandwiched between two conductive layers, Fig. 4 not shown. Sound energy may be converted into visible energy by detecting the sound on an element whose resistance is modified associated with a heating element.
Patent GB-409576-A (GB)
Title: Improvements in or relating to friction clutches
IPC: F16D43/14
Filed: 1933-09-26
Abstract: 409,576. Friction clutches. CARLSSON, B. T., 6, Schylandersgatan, Mõlarh÷jden, and WINHAMMAR, G. O., 12, Upsalagatan, Stockholm, both in Sweden. Sept. 26, 1933, No. 26504. [Class 80 (ii).] A friction clutch comprises a split cylinder 3 which is in driving engagement with a flange 11 on a sleeve 2 keyed to the driving-shaft 1 and which is adapted to be expanded into engagement with a driven drum 4 by the centrifugal action of balls, shot, or similar small bodies 5 loosely arranged within the cylinder 3. The space containing the balls &c. is bounded by the flange 11 and by the web 6 of the drum, or by a pair of flanges on the hub 2.
Patent GB-382384-A (GB)
Title: Improvements relating to doors
IPC: B63B19/00
Filed: 1931-09-23
Abstract: 382,384. Safes and strong rooms ; door fastenings. CHATWOOD SAFE CO., Ltd. and BRUCKSHAW, H. S., Harlescott, Shrewsbury. Sept. 23, 1931, No. 26537. [Class 44.] To make a watertight joint between the closed doors of safes, strong rooms, and the like, and their frames, resilient packing a and a spring c adapted to engage it are provided on the frame and door. The packing a has a recess b and is housed in an undercut groove in the frame. The spring has a rounded part to engage the packing and is fixed in a recess in the frame by strips i and screws. The packing and spring are mitred at the corners. The door is fastened by an eccentric j and handle m carried on a swivelling arm n.
Patent GB-156075-A (GB)
Title: High tension ignition magneto
IPC: H02K21/32
Filed: 1920-09-16
Abstract: 156,075. Etablissements Deesse. Dec. 27, 1919, [Convention date]. Magneto-electric machines. - The magnet or each of the magnets of a magneto-electric ma.- chine is formed in a single piece in the shape of an annular cylindrical segment and is positioned eccentrically with reference to the armature. The frame of the machine is of aluminium and is cast with the pole-pieces. It is formed with flat parts at the top and bottom to allow of the magnet being slipped thereon when in a position at right angles to the normal position. When turned into the normal position the magnet clamps the polepieces between its ends and is held in position between the cheeks 4, 5 on the frame, thereby dispensing with fixing screws. The distributor comprises a brush 18 connected to the high tension winding on the armature and adapted to bear on two segments 40, 41 with which engage brushes connected through conductors 20, 20<a> to the spark plugs. The brush 18 rotates with the armature and the contacts 40, 41 are rotated in the same direction as the armature, but at half the speed. The circuit-breaker comprises a single or double cam 9 connected to a ring 26 by screws 45 passing through elongated slots 46 in the machine frame. A spring 29 carried by the ring 26 serves to hold in position a metal cap 30 provided with an insulated terminal 31 connected to the central screw 48.
Patent GB-1005328-A (GB)
Title: Process for the production of high-strength powder-metallurgical bodies
IPC: C22C1/04
Filed: 1964-06-26
Abstract: <PICT:1005328/C6-C7/1> High strength bodies are produced by hot pressing a powder mixture of the following composition: .Ni.60-70% .Cu.20-30% .W.2-5% .Si.1-2.5% .Sn.4-12% .Pine resin.0.2-0.5%, the mean grain size of the powders being between 1 and 20m  The Ni and W may be admixed in the form of a prealloyed powder and the surface of the Cu powder may be coated with a thin layer of Ag.  A suitable press has a bridge frame 9 tiltable about a pin 7 and connected by a pin 10 to the push rod 6. The push rod is loaded by moving a weight 11 between stops 12.  The dies may be of graphite but are preferably silicon carbide sprinkled with graphite powder to prevent adhesion of the powder mixture.
Patent GB-921076-A (GB)
Title: An anthraquinone dyestuff and process for its manufacture
IPC: C09B1/42
Filed: 1961-07-21
Abstract: The invention comprises the dyestuff of the formula:-<FORM:0921076/IV(a)/1> which is made by condensing 1-amino-4-benzoyl-amino-anthraquinone with functional derivatives of n-methoxybenzoic acid, 1-amino-4-(m-methoxybenzoylamino)-anthraquinone with functional derivatives of benzoic acid or 1:4-diamino-anthraquinone with equimolecular quantities of functional derivatives of benzoic acid and m-methoxybenzoic acid.  An example is given.  The dyestuff dyes and prints polyester fibres in yellowish-red shades.
Patent GB-200000-A (GB)
Title: Improvements in or relating to means for rotating apparatus such as cylinders, drums, trommels or the like
IPC: F26B11/02
Filed: 1922-10-03
Abstract: 200,000. Richardson, W. W. Oct. 3, 1922. Rotary washing-apparatus.-In frictional driving gearing for use with trommels, &c., of the kind in which the trommel is supported on rollers, some of which effect the drive, the wheels engage troughed tracks on the drum to prevent its end motion. In the form shown in Fig. 1, a trommel 6 is supported on each side of its longitudinal axis by single, twin, or triple rubber tyred friction driving wheels 7 arranged at opposite ends of two shafts 5, one shaft being driven by toothed and belt gearing 8, 12, &c.. and the other being driven from the first by chain gearing. The wheels 7 engage a track 35 secured to the trommel and carrying flanges 36 which are engaged by the wheels 7 to prevent end movement. Both shafts may be driven by chain gearing from a common countershaft. In a modification, the wheels 7 on one of the shafts 5 are not driven and act only as supporting-idlers. Rollers 32 engaging an end flange 34 of the trommel assist to prevent end movement. In driving a stepped trommel, Fig. 5, driving-wheels 7 are carried on parallel shafts 5 on a frame 23 at one end of the trommel. Idler wheels 17 carried on a separate frame support the other end of the trommel.
Patent GB-676411-A (GB)
Title: Method of and apparatus inducing conductivity in insulators
IPC: G01T1/26
Filed: 1947-10-03
Abstract: 676,411. Discharge apparatus. WESTERN ELECTRIC CO., Inc. Oct. 3, 1947 [May 14, 1947], No. 26671/47. Classes 39 (i) and 39 (iv). [Also in Group XL (b)] An electrical device comprises a solid insulator having electrodes held at different potentials and coupled to a utilization circuit, e.g. an impulse counter, so that units of high energy radiation, e.g. a or # particles or cathode-rays falling on the insulator produce discrete impulses of current in the utilization circuit. As shown in Fig. 1, the insulator 3, e.g. diamond, has electrodes 1, 2 connected to a source 6 of E.M.F. and the current indicator I; when a charged sub-atomic particle hits the diamond, the electrons liberated are drawn towards the appropriate electrode to actuate the indicator. The electrodes may be on opposite sides of the diamond, Fig. 2, not shown. As shown in Fig. 3, the source of sub-atomic particles 8 and the diamond assembly are mounted within a container which may be evacuated, and the indicator is a cathode-ray tube. The indicator may be a counter, Fig. 5, not shown. As shown in Fig. 6, cathode-rays from 28 pass through a field 25 varied by signals applied at 21, so that the extent to which the rays strike the diamond assembly 23 is dependent on the signals at 21. The electrodes 1, 2 of Fig. 1 may be interlaced, Fig. 8, not shown. In place of diamond, there may be used zinc sulphide, alkali halides, magnesium oxide, calcium fluoride, quartz, sodium nitrate, topaz, silver chloride, orthoclase, beryl, calcite, apalite, selenite, parmaline and emerald.
Patent GB-503226-A (GB)
Title: Hair foundation and curler
IPC: A45D2/28
Filed: 1937-10-02
Abstract: 503,226. Hair curlers. JARRETT, RAINSFORD, & LAUGHTON, Ltd., and LAUGHTON, G. A. Oct. 2, 1937, No. 26685. [Class 131] A hair-curler comprises an open-work barrel a of woven or plaited construction having its ends c turned in, the barrel carrying a covered metal strip bent to form bendable clamping arms d, e, f secured by bands g, h. The openwork barrel may be made of plaiting of artificial silk bonded with a transparent stiffening coating. Specifications 479,610 and 480,695 are referred to.
Patent GB-945095-A (GB)
Title: Preparation for the treatment of vascular headache
IPC: C07D213/38
Filed: 1962-07-11
Abstract: The hemi-fumarate, fumarate and di-fumarate of beta-(2-pyridyl)-ethyl methyl amine are prepared by dissolving the amine in isopropyl alcohol and adding appropriate proportions of fumaric acid.  They are used medicinally for combating vascular headache.ALSO:An oral, rectal or parenteral preparation for the treatment of vascular headache comprises a beta-(2- or 4-pyridylalkyl) amine, especially of the formula <FORM:0945095/A5-A6/1> in which Py is pyridyl attached to the radical R by its 2- or 4-carbon atom, R represents an alkyl group containing 2 to 4 carbon atoms and R1 and R2 each represent a hydrogen atom or a methyl, ethyl or propyl radical; or a physiologically tolerable acid addition salt of the amine, in admixture or p  conjunction with a pharmaceutically suitable carrier other than water alone.  Typical amines are b -(2-pyridyl)-ethyl methyl amine, b -(2-pyridyl)-ethylamine and 1-(2-pyridyl)-2-methylamino propane; the preferred acid addition salts being the hydrochloride and fumarate (see Division C2).  The preparations may take the form of powders (diluted with lactose), tablets, capsules, suppositories (cocoa butter base) and aqueous injections of physiological salt solution.
Patent GB-917366-A (GB)
Title: Improvements in or relating to slicing machines
Inventor: LUNDELL ARNOLD WILLIAM
IPC: B26D1/153
Filed: 1960-08-02
Abstract: 917,366. Slicing-machines. GLOBE SLICING MACHINE CO. Inc. Aug. 2, 1960, No. 26787/60. Class 28 (2). The food holding shoot 8 of a gravity-feed slicer can be swung away from the knife 11 for cleaning access by unscrewing a locking bolt 113 and pivoting the arm 7 about a pivot 22 until the stop 27 meets the stop 28 on an attachment to a bracket 29. On replacement the arm 7 abuts against an adjustable set screw 19.
Patent GB-1494572-A (GB)
Title: Under-phone index
IPC: B42F17/34
Filed: 1975-06-24
Abstract: 1494572 Index card devices F GREIF 29 March 1976 [24 June 1975] 26806/75 Heading B6E A telephone index card device comprises a plurality of index cards 8 located in a tray 2 which is mounted slidably in a housing 1, the rear end of which supports a magnet 6 to engage and hold magnetic tabs 7 of unselected cards 8, which are provided at their front ends with identical perforated tabs 16 located at different lateral positions such that depression of a selection key 13 causes its hook 14 to select a card irrespective of its position in the stack of cards.
Patent GB-1303509-A (GB)
IPC: H05K3/18
Filed: 1970-06-03
Abstract: 1303509 Metallising plastics STAMICARBON N V 3 June 1970 [3 June 19691 26842/70 Heading C7F [Also in Division C3] A plastics article comprising a polymer derived from at least one C 4 - C 16  lactum monomer polymerised in the presence of 0À1 to 25 wt% based on the lactam(s) of at least one polyether soluble in the molten lactam monomer(s) is coated at least partly with metal. In omega lactam, e.g. butyro-, capor-, oenanto-, caprylo-, decyl-, undecyl-, or lauro-lactam, is polymerised in the presence of a polyether such as polytetrahydrofuran, polyepichlorhydrin, a polyglycidylether, polyethylene glycol, polypropyleneglycol, alkylphenoxypolyethyleneoxide-ethanol, a copolymer of ethylene- and propylene-glycols or of ethylene oxide and glycidol, or a polyglycol with endsubstitution, or an inorganic silicon-based polyether, by anionic polymerisation, e.g. in the presence of lactam-N-anions catalysts which may be obtained by reaction of the lactam with an Al, Zn, or alkali metal alkyl, and alkali or alkaline earth metal or an alkaline compound thereof or a Grignard compound. A polymerisation promoter may be added, e.g. an acetylated lactam, an isocyanate, substituted urethane, urea compound, carbodiimide or other compound, polymerisation taking place in a mould at 125- 175‹C. The surface of the plastics is microscopically roughened e.g. by chromosulphuric acid or blasting with CaCO 3 , talcum, or water, sensitized with SuCl 2 , activated with an Ag or Pd salt, and coated with, e.g. Cu or Ni electrolessly, and then electroplated, with e.g. a 0À5Á to 1mm coating of Cu, Ni, Cr, Ag, or Au.
Patent GB-942601-A (GB)
Title: Improvements in or relating to the welding of thermoplastic materials
IPC: B29C65/10
Filed: 1961-07-25
Abstract: 942,601. Seaming non-metallic sheet material. G. HAIM. July 12, 1962 [July 25, 1961], No. 26847/61. Heading B5K. A welding nozzle 1 for welding thermoplastic material has a metallic tack welding shoe 2 attached thereto so as to be capable of being swung into an operative position (Fig. 2) or into an inoperative position (Fig. 3). Preferably, the shoe is attached to a lug 3 by a fork and pin connection.
Patent GB-818854-A (GB)
Title: Improvements relating to methods of work hardening steel rods and wires
IPC: B21D3/05
Filed: 1957-08-26
Abstract: 818,854. Making reinforcing rods; altering physical structure; straightening. HUFNAGL, W. Aug. 26, 1957 [Aug. 27, 1956], No. 26857/57. Classes 83 (2) and 83 (4). [Also in Group X] A method of work-hardening a steel rod or wire to increase its tensile strength comprises continuously bending beyond its yield point and along its whole length a rod or wire made of steel capable of ageing, strengthening the rod or wire and then storing the rod or wire to allow ageing to take place. In an embodiment the steel rod or wire is drawn over a roller 2 by drawing rollers 3 which can be profiled to impart ridges or recesses to smooth-surfaced rods by cold forming. The radius of bending is less than six times the diameter of the rod or wire and preferably four times this diameter. In another embodiment the rod is passed between three rollers 4, 5 and 6 on to a winch drum 8 the middle roller 5 being movable relatively to the rollers 4 and 6 as shown in Fig. 2. One or more of the rollers can be profiled to provide projections or recesses on the rod. If the rod or wire is already profiled the bending roller is provided with a complementary profile as shown in Fig. 3. If the rod is provided with transverse and longitudinal ridges 14 and 15 respectively the height of the longitudinal ridges is such that they alone contact the bending roller (Fig. 4). The rod may be of circular cross-section with transverse ridges 18 projecting only on two opposite sides so that only the smooth parts of the surface engage the bending roller. The method can be combined with other cold-working operations, e.g. drawing, whereby part of the total increase of tensile strength is obtained by the drawing and the remainder by bending and strengthening.
Patent GB-1495528-A (GB)
Title: Repair of bottle top moulds
IPC: B22D7/06
Filed: 1974-06-18
Abstract: 1495528 Repairing ingot moulds; welding by fusion; thermo - aluminic reaction processes HILTI AG 16 May 1975 [18 June 1974] 26874/74 Headings B3R B3V and B3F The opening 12 in the top 11 of a bottle top mould 10 is repaired, to take the mould plug, by forming or attaching a ring 44, Fig. 5, or a ring 30, Fig. 4, on the mould top 11. In Fig. 4, the ring 30 is secured by welding 32 and 33 around the mouth 12 with its erosion 15. Instead, or as well, the ring may have through-holes through which fasteners are driven into the top wall 11 by an explosivepowered driving tool. In Fig. 5, a refractory mould in two ring parts 40, 41, which may be formed from a number of sections, is arranged around the opening 12 and outer ring 40 has a slag flow-off notch. An alumino thermic mixture is then ignited in a crucible above the mould and the resulting molten metal is poured into the preheated refractory mould 40, 41. A prefabricated ring may be welded in place on the mould 10 by a similar method.
Patent GB-810620-A (GB)
Title: Improvements relating to couplings or fastenings for scaffolding and like poles
Inventor: BARTON PETER
IPC: E04G7/14
Filed: 1956-09-04
Abstract: 810,620. Scaffold clamp. BARTON & SON Ltd., B. C. Sept. 2, 1957 [Sept. 4, 1956], No. 26968/56. Class 20(2) A scaffold clamp comprises a socket having two limbs a<SP>1</SP>, a<SP>2</SP> between which the scaffold pole c is placed and secured by a member b engaged by its hooked end b<SP>1</SP> with a slot in the limb a<SP>1</SP> by an approach towards its outer face so that the hooked end impinges on the pole c, the other end being of cup formation to provide flanges b<SP>2</SP> engaging the pole and having an aperture b<SP>4</SP> for a bolt d the head of which engages the limb a<SP>2</SP>. The head of the bolt is T-shaped and is passed through a slot in the limb a<SP>2</SP> and then turned at right angles.
Patent GB-412596-A (GB)
Title: Improvements in and relating to cutting implements
IPC: B26B19/26
Filed: 1932-09-28
Abstract: 412,596. Facing fabrics. FRASER, F. A., 22, Ampton Street, London, and PAYTON, P. J., Brooklands, London Road, Enfield, Middlesex. Sept. 28, 1932, No. 26970. [Class 42 (i).] A cutting implement for facing cloth comprises a cylindrical blade 1 provided with transverse slots 11 the sides of which form cutting edges 11<a>, a correspondingly slotted cylindrical guard 2 within which the blade is mounted, and means for producing simultaneously a relative longitudinal and partial rotary movement of the blade and guard so that an oblique shearing action between the cooperating arcuate cutting edges results. The relative movement may be produced by a hand or power operated shaft 7 provided with an eccentric pin 3 engaging in a hole in the blade 1. The slots in the blade and guard may be inclined relatively to each other, the slots in the guard may be formed on each side of a longitudinal unslotted part, and, according to the Provisional Specification, the transverse slots in the blade and in the guard may be replaced by a longitudinal slot.
Patent GB-391470-A (GB)
Title: Grinding and polishing lenses and the like
IPC: B24B13/02
Filed: 1931-09-28
Abstract: 391,470. Grinding and polishing lenses &c. DESENBERG, J., 8, Melchiorstrasse, Cologne, Germany. Sept. 28, 1931, No. 26982. [Class 60.] Lenses &c. are ground or polished by rotating the lens and the grinding &c. tool on axes intersecting at the centre of curvature of the surface to be treated, and so arranging the relative rotational speeds, that the grinding strokes, that is, the paths traced on the lens or on the tool by a point on the tool or on the lens, take the form of straight of slightly curved lines, for example, as shown in Fig. 6. The lens blank 1 is carried by a holder 2 on a spindle 3 and the tool 11, which is in the form of a ring, is mounted on a holder 10 supported and driven by a spindle 7, the axes of the spindles intersecting at the point 0 ; a rocking motion may be imparted to the tool or to the work in addition to the rotation. The various stages of grinding and polishing may be performed by changing the tool on the spindle 7, and this changing may be effected automatically by a laterally moving transport device. In a modification, the polishing-tool is carried by a holder which fits over and encloses the tool 11.
Patent GB-357754-A (GB)
Title: Improvements in the construction of vehicle bodies
IPC: B62D31/04
Filed: 1930-09-10
Abstract: 357,754. Double-deck vehicles. ALCOCK, A. M., 20, Larch Avenue, Pemberton, near Wigan, and MASSEY, I., Somerville, Billinge Road, Wigan. Sept. 10, 1930, No. 26996. [Classes 103 (iv) and 108 (i).] Omnibuses and tramcars have the roof of the lower deck supported by a number of pairs of transverse ribs at two levels, the inner ends of the ribs forming one or two sides of a plate girder lying between the two levels in the plane of the ribs. As shown in Fig. 1, the roof of the lower deck is at two different levels 2, 3 supported by transverse girders 4, 5 connected by a braced strut portion 6 which may be integral with the girders. The girders may be formed by spaced members 8, 9, Fig. 7, of various forms with an intermediate filler of wood to which the flooring and roof are secured. The member 6 may be of the shape shown and when lined with panelling 12 the longitudinal space thus formed may be used for ventilating purposes. Fig. 3 shows another form in which the upper girder 26 is integral with seat members 24. The transverse girders may be of wood interconnected by a box metal structure.